Welsh gair

← Old English ċearu (cognate)

← Proto-Brythonic *gėr (inherited)

← Proto-Celtic *garyos (inherited)

← Ancient Greek γῆρυς (cognate)

← Proto-Indo-European (inherited)

← Proto-Indo-European *ǵeh₂r- (mention)

← Latin garriō (cognate)

← Middle Welsh geir (inherited)

→ Welsh geiriadur (suffix)

→ Welsh gwrthwynebair (affix)

→ Welsh prifair (affix)

→ Welsh aneiriol (affix)

→ Welsh ansoddair (affix)

→ Welsh cyfrinair (affix)

→ Welsh cysylltair (affix)

→ Welsh croesair (affix)

→ Welsh doethair (affix)

→ Welsh geiriog (affix)

→ Welsh allweddair (affix)

→ Old Irish fogur (cognate)